package controller;

import Util.Page;
import org.apache.ibatis.annotations.Param;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import pojo.Student;
import service.StudentService;

import java.util.List;

@Controller
@RequestMapping("/student")
public class StudentController {
    @Autowired
    private StudentService studentService;
    @RequestMapping("/list/{currentPage}")
    public String list(Student student, @PathVariable("currentPage") Integer currentPage, Model model){
        Page page=new Page();
        int totalCount = studentService.count(student);
        page.setTotalCount(totalCount);
        page.setCurrentPage(currentPage);
        page.setTotalPage();
        int offset=(currentPage-1)*page.getPageSize();
        String studentName=student.getStudentName();
        String studentNum=student.getStudentNum();
        List<Student> students = studentService.findAll2(studentNum, studentName, offset,page.getPageSize());
        model.addAttribute("students",students);
        model.addAttribute("page",page);
        model.addAttribute("student",student);
        return "student/list";
    }
    @RequestMapping("/toadd")
    public String toAdd(){
        return "student/add";
    }
    @RequestMapping("/addSave")
    public String addSave(Student student){
        int result =studentService.addStudent(student);
        if(result>0) {
            return "redirect:/student/list/1";
        }else{
            return "student/add";
        }
    }
    @RequestMapping("/delete/{id}")
    public String deleteById(@PathVariable("id") Integer id){
        studentService.deleteStudentById(id);
        return "redirect:/student/list/1";
    }
    @RequestMapping("/toupdate/{id}")
    public String toUpdte(@PathVariable("id") Integer id,Model model){
        Student student=studentService.findStudentById(id);
        model.addAttribute("student",student);
        return "student/update";
    }
    @RequestMapping("/updateSave")
    public String updateSave(Student student){
        int result = studentService.updateStudent(student);
        if(result>0){
            return "redirect:/student/list/1";
        }else{
            return "student/update";
        }
    }
}
